Ɔhyew a wɔpaw-ɛko tia dade .

Ɛsɛ sɛ nneɛma a wɔpaw no hwɛ nneɛma atitiriw no yiye .
Wɔ ɔhyew pii-a ɛko tia dade a ɛyɛ den mu no, ɛsɛ sɛ ɔhyew a wɔpaw-aduru a ɛne adwumayɛ tebea a ɛwɔ semɛnte afifide mu no hyia no susuw nneɛma a edidi so yi ho:
(1) Ɔhyew a ɛyɛ adwuma wɔ ɔhyew mu-a ɛwɔ dade a wɔde gu mu a ɛko tia. Ɔhyew a wɔde yɛ adwuma no kyerɛ ɔhyew a ɛkorɔn sen biara, ɔhyew a ɛfata ne ɔhyew a ɛba fam ne ɔhyew nsakrae dodow.
(2) Mfiridwuma mu adesoa a ɛyɛ hyew-wɔn a wɔko tia dade.
(3) Mframa a ɛne ɔhyew no di nkitaho-ahyɛnsode a ɛko tia ne ne tebea (a mframa ahoɔhare mfutuma a ɛwɔ mu, nnuru a ɛwɔ mu, ne nea ɛkeka ho ka ho).
(4) Boɔ no sua, baabi a wɔmfa cast heat-sistant steel a chromium ne nickel a ɛwɔ mu no sua nni dwuma no, chromium ne nickel a ɛwɔ mu no yɛ kɛseɛ.
Ɛsɛ sɛ semɛnte afifide bɔ osuahu a ɛwɔ ɔhyew a wɔde di dwuma-ɛko tia dade a wɔde di dwuma no mua bere nyinaa na ɛboaboa ano. Sɛ huammɔdi ho haw bi wɔ hɔ a wɔde di dwuma na wɔda no adi denam nhwehwɛmu so sɛ ɔhyew-dadeɛ a wɔde gu mu a ɛnyɛ ne kwan so no, nneɛma a wɔpaw no yie na ɛde ba ankasa a, wobɛtumi ne nea ɔyɛ no adi nkitaho de asiw huammɔdi ano denam RE-nneɛma a wɔbɛpaw no a wobɛsua so, na ɛsɛ sɛ nea ɔyɛ no de Re-yiyi nsɛm ho nsɛm ma no.